*{
	margin: 0px;
	padding: 0px;
}
body{
	font-family: "微软雅黑";\
}
.top{
	width: 300px;
	height: 500px;
	border: 1px solid cornflowerblue;
	margin: auto;
	margin-top: 20px;
	border-radius: 5px;
	padding: 20px;
	box-sizing: border-box;
}
.title{
	text-align: center;
}
.top input{
	width: 100%;
	height: 30px;
	margin-top: 10px;
}
.top button{
	margin: auto;
	margin-top: 10px;
	margin-right: 30px;
	height: 25px;
	width: 50px;
	}
